The phrase "predefined number" means a specific and already determined number that is set or established in advance.
Sentences with «predefined number»
Detailed search options allow you to return only members who are currently online or who have been online in a predefined number of days (datingsitesreviews.com)
Each chapter requires you to complete a certain number of tasks before a predefined number of days expire so you must use your time wisely and do as much as you can in as short amount of time as possible. (videochums.com)
The principal, interest, taxes, and insurance (PITI) reserves must equal the amount that the borrower would have to pay for PITI for a predefined number of months. (guidetolenders.com)